I know on my server, I did away with warps. Instead I used railcraft elements to build a massive network of rails and switches. You could program a train to go from one location to another or stop through a series of station an pick up/drop off a whole collection of stuff as well as refuel. You dud not even have to progeam the route. The train auto-pathfinds through the network. Really useful and fun. We had a mining station that miners could drop off their ore and pickup new tools and supplies the train brought. The train would pickup the ore and take it go be smelted and crafted on the fly. It was epic.

Two problems:
1) the railway network connecting the spawn area, Kard, Canada and Winterfell is not completed yet (~75% done).
2) The distance is to large to keep traveling time low, and I even experience lag when test driving at intercity speeds because of the loading being a bit troublesome for me as a EU resident. Making it a stopping train service helps a bit with that (two stops will be at the crossroad that connects the road from the south with the westward one to Kard and the easnorthward one, one stop will be at the village "Long Bridge's End" other stops will be made too, as long as there is (the impression of) a hub or settlement).However, it will be even slower that way and to be honest we will no way be able to connect all our places that way. I have got a power-pickaxe gifted to me by Newtekie1, but although I can dig away a lot in a very short time, I am not able to find enough gold in a reasonable amount in a reasonable time. And a part of the gold I do find is needed for the "maintenance" of the mentioned pickaxe.

So we will continue to need /warp and /tp, although the signs are not necessary except for the "elevator" of the Spire.

Two problems:
1) the railway network connecting the spawn area, Kard, Canada and Winterfell is not completed yet (~75% done).
2) The distance is to large to keep traveling time low, and I even experience lag when test driving at intercity speeds because of the loading being a bit troublesome for me as a EU resident. Making it a stopping train service helps a bit with that (two stops will be at the crossroad that connects the road from the south with the westward one to Kard and the easnorthward one, one stop will be at the village "Long Bridge's End" other stops will be made too, as long as there is (the impression of) a hub or settlement).However, it will be even slower that way and to be honest we will no way be able to connect all our places that way. I have got a power-pickaxe gifted to me by Newtekie1, but although I can dig away a lot in a very short time, I am not able to find enough gold in a reasonable amount in a reasonable time. And a part of the gold I do find is needed for the "maintenance" of the mentioned pickaxe.

So we will continue to need /warp and /tp, although the signs are not necessary except for the "elevator" of the Spire.

The problem is that at or near the max cart speed (8 m/s), the connection starts to lag. Main issue seems to be the fact that the loading of the section of the world one is in did not even (or barely) finish loading before leaving it. So at ~8 m/s there is too little time for the system too load. Hence the stopping train service (assuming you know what a "stopping train" is, some rail corporations call them "sprinters") because this will smoothen the ride (as a whole) quite a lot, and also gives players opportunities to get refreshments at or near the in-between stations if they need to (not yet organised).
But maybe the physical move of the server helps (more bandwidth), as well as leaving off BOINC (I will try again soon).

The problem is that at or near the max cart speed (8 m/s), the connection starts to lag. Main issue seems to be the fact that the loading of the section of the world one is in did not even (or barely) finish loading before leaving it. So at ~8 m/s there is too little time for the system too load. Hence the stopping train service (assuming you know what a "stopping train" is, some rail corporations call them "sprinters") because this will smoothen the ride (as a whole) quite a lot, and also gives players opportunities to get refreshments at or near the in-between stations if they need to (not yet organised).
But maybe the physical move of the server helps (more bandwidth), as well as leaving off BOINC (I will try again soon).

all i know is i used high speed rails on my server for long striaght-aways and the speed went well above ~8m/s. I rarely saw lag. there may have been something in the coding or another plugin that prevented it.